<template>
    <div>
      <!-- 搜索结果页-头部导航 -->
      <div class="search-result-container">
        <!-- 点击实现后退效果 -->
        <van-nav-bar
          title="搜索结果"
          left-arrow
          @click-left="$router.go(-1)"
          fixed
        />
      </div>
      <!-- 文章列表 -->
      <div>
        <van-list
  v-model="loading"
  :finished="finished"
  finished-text="没有更多了"
  @load="onLoad"
  :immediate-check="false"
>
        <ArticleItem v-for="obj in articleList" :key="obj.art_id" :artObj="obj" :isShow="false" @click.native="itemClickFn(obj.art_id)"></ArticleItem>
        </van-list>
      </div>
    </div>
</template>

<script>
// 事件修饰符.native ->给组件内跟标签，绑定原生click点击事件
import { searchResultAPI } from '@/api'
import ArticleItem from '@/components/ArticleItem.vue'
export default {
  name: 'SearchResult',
  data () {
    return {
      page: 1, // 页码
      articleList: [],
      loading: false, // 加载状态
      finished: false// 是否全部加载完成
    }
  },
  components: { ArticleItem },
  async created () {
    const res = await searchResultAPI({
      page: this.page,
      q: this.$route.params.kw
    })
    console.log(res)
    this.articleList = res.data.data.results
  },
  methods: {
    async onLoad () {
      if (this.articleList.length > 0) {
        this.page++
        const res = await searchResultAPI({
          page: this.page,
          q: this.$route.params.kw
        })
        if (res.data.data.results.length === 0) {
          this.finished = true// 没有更多了
          return
        }
        console.log(res)
        this.articleList = [...this.articleList, ...res.data.data.results]
        this.loading = false
      }
    },
    itemClickFn (id) {
      this.$router.push({
        path: `/detail?art_id=${id}`
      })
    }
  }
}
</script>

<style lang="less" scoped>
.search-result-container {
  padding-top: 46px;
}
</style>
